APA (7e ed.) Bronvermelding

Não informado. Results of the International Latitude Service. International Latitude Observatory.

Chicago (17e ed.) Bronvermelding

Não informado. Results of the International Latitude Service. Mizusawa, Japão: International Latitude Observatory.

MLA (8e ed.) Bronvermelding

Não informado. Results of the International Latitude Service. International Latitude Observatory.

Let op: Deze citaties zijn niet altijd 100% accuraat.